Vitamin D5

CAS No. : 71761-06-3

Vitamin D5,71761-06-3
Product Details
Cat No:R026710
Synonyms:24R-Methylcalciol; (3β,5Z,7E)-9,10-Secostigmasta-5,7,10(19)-trien-3-ol; (1S,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-1-[(1R,4R)-4-Ethyl-1,5-dimethylhexyl]octahydro-7a-methyl-4H-inden-4-ylidene]ethylidene]-4-methylenecyclohexanol; (S,E)-3-((Z)-2-((1R,3aS,7aR)-1-((
Molecular Formula:C29-H48-O
Molecular Weight:412.69
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Purity >=90%

Melting Point 105-106 °C

Cat No:R026710
Cas No:71761-06-3
Product-Name:Vitamin D5
Vitamin D5, a member of the family Vitamin D which was discovered by Edward Mellanby in 1919 during his classic experiments with rickets, is about 180-fold less active than vitamin D3, in calcification of rachitic cartilage and about 100- to 200-fold less active in induction of bone calcium mobilization. In stimulation of intestinal-calcium transport, vitamin D5 is about 80 fold less active than vitamin D3.
1. Arch Biochem Biophys. 1979 Oct 1;197(1):119-25. Synthesis of vitamin D5: its biological activity relative to vitamins D3 and D2. Napoli JL, Fivizzani MA, Schnoes HK, DeLuca HF.
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